text: function fill(num) {
    const str = '0' + num
    return str.substring(str.length - 2)
  }
  
  function today(d = new Date()) {
    return d.getFullYear() + '/' + (d.getMonth() + 1) + '/' + d.getDate()
      + ' ' + d.getHours() + ':' + fill(d.getMinutes())
  }
  
  module.exports = today